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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/cdm/renderer/android_key_systems.h"
#include <string>
#include <vector>
#include "base/logging.h"
#include "components/cdm/common/cdm_messages_android.h"
#include "components/cdm/renderer/widevine_key_systems.h"
#include "content/public/renderer/render_thread.h"
#include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR.
using content::KeySystemInfo;
using content::SupportedCodecs;
namespace cdm {
static SupportedKeySystemResponse QueryKeySystemSupport(
const std::string& key_system) {
SupportedKeySystemRequest request;
SupportedKeySystemResponse response;
request.key_system = key_system;
request.codecs = content::EME_CODEC_ALL;
content::RenderThread::Get()->Send(
new ChromeViewHostMsg_QueryKeySystemSupport(request, &response));
DCHECK(!(response.compositing_codecs & ~content::EME_CODEC_ALL))
<< "unrecognized codec";
DCHECK(!(response.non_compositing_codecs & ~content::EME_CODEC_ALL))
<< "unrecognized codec";
return response;
}
void AddAndroidWidevine(std::vector<KeySystemInfo>* concrete_key_systems) {
SupportedKeySystemResponse response = QueryKeySystemSupport(
kWidevineKeySystem);
if (response.compositing_codecs != content::EME_CODEC_NONE) {
AddWidevineWithCodecs(
WIDEVINE,
static_cast<SupportedCodecs>(response.compositing_codecs),
concrete_key_systems);
}
if (response.non_compositing_codecs != content::EME_CODEC_NONE) {
AddWidevineWithCodecs(
WIDEVINE_HR_NON_COMPOSITING,
static_cast<SupportedCodecs>(response.non_compositing_codecs),
concrete_key_systems);
}
}
void AddAndroidPlatformKeySystems(
std::vector<KeySystemInfo>* concrete_key_systems) {
std::vector<std::string> key_system_names;
content::RenderThread::Get()->Send(
new ChromeViewHostMsg_GetPlatformKeySystemNames(&key_system_names));
for (std::vector<std::string>::const_iterator it = key_system_names.begin();
it != key_system_names.end(); ++it) {
SupportedKeySystemResponse response = QueryKeySystemSupport(*it);
if (response.compositing_codecs != content::EME_CODEC_NONE) {
KeySystemInfo info(*it);
info.supported_codecs = response.compositing_codecs;
concrete_key_systems->push_back(info);
}
}
}
} // namespace cdm
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